From e724874eaa245243b17a02862db5febf1fd17f42 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=B3=E4=B9=99=E5=B1=B1?= <pipio1994@gmail.com>
Date: Sun, 5 Apr 2020 20:34:09 +0800
Subject: [PATCH] Use hasSCM utility in
 SearchSource.findTestRelatedToChangeFiles

---
 packages/jest-core/src/SearchSource.ts | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/packages/jest-core/src/SearchSource.ts b/packages/jest-core/src/SearchSource.ts
index 194664594c16..27b05889f675 100644
--- a/packages/jest-core/src/SearchSource.ts
+++ b/packages/jest-core/src/SearchSource.ts
@@ -247,14 +247,11 @@ export default class SearchSource {
     changedFilesInfo: ChangedFiles,
     collectCoverage: boolean,
   ): SearchResult {
-    const {repos, changedFiles} = changedFilesInfo;
-    // no SCM (git/hg/...) is found in any of the roots.
-    const noSCM = (Object.keys(repos) as Array<
-      keyof ChangedFiles['repos']
-    >).every(scm => repos[scm].size === 0);
-    return noSCM
-      ? {noSCM: true, tests: []}
-      : this.findRelatedTests(changedFiles, collectCoverage);
+    if (!hasSCM(changedFilesInfo)) {
+      return {noSCM: true, tests: []};
+    }
+    const {changedFiles} = changedFilesInfo;
+    return this.findRelatedTests(changedFiles, collectCoverage);
   }
 
   private _getTestPaths(